Seiko Cal. 6640 - 586

Seiko 6640-586

This Quartz model from 1976 features a 36mm Two-Tone case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b92856aa3f82]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
36mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
110m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1976

Related Models

seikata-wm-b92856aa3f82